Study: How Many Americans Are Smoking Pot? The Number Is Nuts.

A recent Gallup poll found that one in eight adults in the United States said they smoke marijuana.

The survey, summarized by Gallup’s Justin McCarthy, found that 13% of adults in the U.S. report currently using marijuana, compared with 7% reported in 2013. 43% of adults in the U.S. reported having tried the substance, compared with 44% reported last year, 38% reported in 2013, and 4% in 1969.